However, these cards perform an important role as a safety netif things go too far, the format has a way of self-correcting, and we were missing these types of answers when Emrakul, the Promised End, Aetherworks Marvel, and Smuggler's Copter were breaking Standard
One key thing to me was that artifacts had this quality of doing things that have never been done before
Plot only as a sorcery.) Creature - Human Rogue Syr Konrad, the Grim Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad deals 1 damage to each opponent
Pacifism and effects like it are really obvious ones in a Limited environment, but cards similar to Dead Weight and the various Impetus effects in Commander also come to mind